Is he being full of shit? or how do you guys feel?

My ex told me he didn’t want to have sex with me again because he knows we will not end up together.
We were having a conversation two days ago about a date I went on and how he makes me happy.
Now my ex touches all over me , kisses me like the first time we ever kissed and wants to have sex
Is he being full of shit? or how do you guys feel?
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